Top Principal Software Engineer Jobs in Denver & Boulder, CO

Lead the architecture and development of Reddit's ML Feature Platform, overseeing real-time feature store design, team mentorship, and infrastructure optimization.

As a Principal Software Engineer, you'll drive technical architecture, mentor teams, and lead software development projects while contributing to code and best practices.

Lead technical aspects of an engineering team, design and revamp critical systems, mentor engineers, and improve efficiency across the team.

The Sr./Principal Software Engineer will implement and maintain security programs for government contracts, ensuring compliance and security in AWS cloud solutions.

As a Principal Software Engineer at Zippy, you'll define the technical vision, lead initiatives, architect foundational platforms, and communicate with executives to align strategies for technical investments.

The Principal Software Engineer will lead backend architecture, focusing on infrastructure, security, and developer experience. Responsibilities include designing scalable systems, mentoring engineers, and collaborating across teams to optimize productivity while ensuring security compliance.

Design and scale PaaS and Data Infrastructure for SaaS products. Lead technical execution of distributed systems and automation pipelines while mentoring engineers and enforcing standards for reliability and performance.

The Principal Software Engineer, Applied AI will lead AI integration in cloud-native applications, mentor engineers, and ensure robust, scalable solutions. Responsibilities include full stack feature development, backend service design, and creating intuitive AI-driven user workflows.

Lead design and implementation of Generative AI features, mentor engineers, ensure performance and reliability, collaborate with product teams, and maintain high quality standards.

Lead technical projects in building data-intensive capabilities for Elasticsearch's new compute engine, especially focusing on ES|QL. Collaborate with product teams and mentor engineers, driving an innovative roadmap and delivering efficient software solutions.

We are seeking a Senior/Staff/Principal Software Engineer with extensive experience in software development, expertise in distributed systems, and strong leadership skills. The role involves building and optimizing a large-scale AI product for financial advisors. Responsibilities include system architecture, technical documentation, and team collaboration. Candidates should be proficient in Elixir and familiar with various tech stacks, cloud services, and best coding practices.

The Principal Software Engineer will define technical direction, design scalable systems for identity verification, and mentor engineers at Nametag.

As a Principal Software Engineer on the GenAI team, lead the design and implementation of AI-powered solutions, ensuring technical alignment and mentoring engineers.

The Principal Software Engineer guides technical vision, leads projects, mentors engineers, and develops complex software solutions across various domains.

The Principal Engineer will lead the architectural vision for the TiDB optimizer, focusing on query optimization and enhancing the performance of the TiDB database, employed by large organizations globally.

The role involves leading the development of analytics in Elasticsearch, providing technical vision, and collaborating with teams to enhance ES|QL capabilities and infrastructure.

Join Utilidata as a Senior Software Engineer to mentor junior engineers, develop high-quality Python code, optimize cloud infrastructure, and implement scalable solutions for big data processing.

The Staff/Principal Software Engineer will lead the development of full-text search capabilities, focusing on search infrastructure, collaboration, and innovative solutions in AI applications at Pinecone.

The Principal Software Engineer will provide technical and architectural leadership in data engineering, focusing on strategy, innovation, and ensuring successful production deliveries while fostering teamwork and mentoring.

As a Principal Software Engineer, you'll lead technical initiatives, ensure system reliability, mentor engineers, and influence technical strategies that align with business goals.

The Principal Software Engineer will lead technical initiatives, design scalable software, mentor engineers, and influence system architecture in IoT projects.

As a Principal Software Engineer, you'll lead complex projects, build scalable systems, and integrate EHRs while driving technical improvements and collaborating with cross-functional teams.

The Principal Software Engineer at Fetch will design and scale intelligent systems for personalized consumer experiences, lead technical initiatives, mentor engineers, and influence technical strategies across the organization.

The Principal Software Engineer will lead technical initiatives, develop scalable solutions, mentor teams, and drive system architecture for a connected equipment platform.

The Principal Software Engineer will enhance and maintain software products, design and develop new applications, mentor staff, and ensure software quality and standards. They will lead while applying Agile methodologies and collaborate with product teams.